Hands-on experience installing, maintaining and troubleshooting large commercial and industrial electrical systems including: Medium-voltage switchgear, 480/277 Volt and 208/120-volt, electrical generation and distribution systems, Diesel powered AC generators, Static UPS systems (where applicable), Dynamic Rotary UPS Systems (where applicable), Multi-string flooded cell batteries and monitoring systems, Static switches, PLC and relay logic controls, Power monitoring systems, Data center power distribution and management systems. Job Description: The Senior Critical Facilities Technician is a facilities-focused role that is responsible for the operational integrity, commissioning, and regulatory compliance of the electrical power, mechanical, monitoring and control systems, and the processes that maximize customer uptime in the most cost-effective way for highly available, concurrently maintainable, fault tolerant mission-critical data center environments.